salispink70 salispink70

13-03-2022
Physics

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what is the ke of a 800 tonnes train travelling at a speed of 108 km/h note 1 tonne =1000 kg

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quitestudious quitestudious

13-03-2022

800 tonnes = 800,000 kg
108 km/h = 30 m/s

KE = (1/2)mv^2

(1/2)(800,000)(30)^2 = 360,000,000 J

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